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Finding the Fourth Proportional to 437,898.70, 656,848.05 and 367,039.90

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Solution

The fourth proportional to 437,898.70, 656,848.05 and 367,039.90 is: 550,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,898.70 : 656,848.05 = 367,039.90 : x
  2. Step 2: Convert to fraction form
    437,898.70/656,848.05 = 367,039.90/x
  3. Step 3: Cross multiply
    437,898.70x = 656,848.05 × 367,039.90
  4. Step 4: Simplify right side
    437,898.70x = 241,089,442,587.20
  5. Step 5: Solve for x
    x = 241,089,442,587.20/437,898.70
  6. Step 6: Final answer
    x = 550,559.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.